TEA6821T Datasheet (NXP)

TEA6821T, ICE car radio

Stereo decoder * Adjustment-free PLL-VCO TEA6821T * Pilot depending mono/stereo switching * Analog control of mono/stereo blend * Adjacent channel noise suppression (114 kHz) * Pilot canceller * Analog control of de-emphasis * Integrated low-

TEA6821T Features

* General

* FM mixer for conversion from FM IF1 = 72.2 MHz to FM IF2 = 10.7 MHz

* AM mixer for conversion from AM IF1 = 10.7 MHz to AM IF2 = 450 kHz

* FM IF gain stage

* Crystal oscillator providing mixer frequencies and references for IF count and stereo decoder